/*
 * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
 * Original author: Edmund Wagner
 * Creation date: 21.11.2007
 *
 * Source: $HeadURL$
 * Last changed: $LastChangedDate$
 * 
 * 
 * the unrar licence applies to all junrar source and binary distributions 
 * you are not allowed to use this source to re-create the RAR compression algorithm
 *
 * Here some html entities which can be used for escaping javadoc tags:
 * "&":  "&#038;" or "&amp;"
 * "<":  "&#060;" or "&lt;"
 * ">":  "&#062;" or "&gt;"
 * "@":  "&#064;" 
 */
package com.github.junrar.rarfile;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.github.junrar.io.Raw;

public class SubBlockHeader extends BlockHeader
 {
  private Log logger = LogFactory.getLog(getClass());

  public static final short SubBlockHeaderSize = 3;

  private short subType;
  private byte level;

  public SubBlockHeader(SubBlockHeader sb)
   {
    super(sb);
    subType = sb.getSubType().getSubblocktype();
    level = sb.getLevel();
   }

  public SubBlockHeader(BlockHeader bh, byte[] subblock)
   {
    super(bh);
    int position = 0;
    subType = Raw.readShortLittleEndian(subblock, position);
    position += 2;
    level |= subblock[position] & 0xff;
   }

  /**
   * @return
   */
  public byte getLevel()
   {
    return level;
   }

  /**
   * @return
   */
  public SubBlockHeaderType getSubType()
   {
    return SubBlockHeaderType.findSubblockHeaderType(subType);
   }

  public void print()
   {
    super.print();
    logger.info("subtype: " + getSubType());
    logger.info("level: " + level);
   }
 }
